lowell wood from lawrence liver moore and this was precell phone day. remember the pagers? and i paged lowell wood. he was in washington and he -- within an hour he was sitting in my office. electromagnetic pulse. we have only one brief experience with it in our country. and that was in 1962 and johnston island, the only time we ever debt nailted a weapon above the atmosphere. we had no idea what would happen. it produced an electromagnetic pulse because a lot of disturbances in hawaii which is about 800 miles away. the soviets had a lot more experience than we. they actually developed -- we designed them but never built them, enhanced e.m.p. weapons. a single large nuclear -- i shouldn't say that. because it doesn't have to be a large bomb. because it could be a relatively small bomb that's e.m.p.-enhanced. a single appropriately bomb detonated three miles high over nebraska or iowa would prank et our whole country and -- blanket our whole country and if the e.m.p. lay down was robust enough, it would essentially fry all of our microelectronics. the grid would be down for